Pentwyn-mawr is a suburban area in Pontllan-fraith, Caerphilly
Other current and historical names
Ton-y-pistyll
Built-Up Area: Pontllan-fraith
Parish/Community: Newbridge
Unitary Authority: Caerphilly
Region: Wales
Category: Populated Place
Type: Suburban Area
Latitude/Longitude: 51°39'31"N 3°9'53"W
Eastings/Northings: 319518, 196186
OS Grid: ST195961
Mapcode Local: GBR HY.6QMD
Mapcode Global: VH6DG.3K6T
Location and coordinates are for the approximate centre of Pentwyn-mawr within this administrative area.
Geographic features and populated places may cross administrative borders.